-41.98% is the change from 667 to 387
Calculation steps:
[( 387 - 667 ) ÷ 667] x 100 = -41.98%
Formula
Percentage change = [(387 - 667) / 667] x 100
Subtract the new number by the original number
387 - 667 = -280
-280 ÷ 667 = -0.4197901049475262
-0.4197901049475262 x 100 = -41.98%